The leading seeds in the bottom half of the draw, whom Ana cannot face until the final, are No.2 Agnieszka Radwanska, No.4 Sara Errani, No.7 Simona Halep and No.8 Caroline Wozniacki.

Three of the world's top five-ranked players are absent: No.1 Serena Williams and No.2 Victoria Azarenka both withdrew through injury, while No.5 Maria Sharapova has chosen to work as a commentator at the Winter Olympics in her native Sochi, Russia.